// let a = 1
// let b = {num: 2}



let str = 'hello'
let num = 123
let flag = false
let un = undefined
let nu = null

let obj = {}
let arr = []
let fn = function () {}
let date = new Date()

// console.log(typeof str);  // string
// console.log(typeof(num));  // number
// console.log(typeof(flag));  // boolean
// console.log(typeof(un));  // undefined

// console.log(typeof(nu));  // object

console.log(typeof(obj));  // object
console.log(typeof(arr)); // object
console.log(typeof(fn));  // function
console.log(typeof(date));  // object
